234214521 has 4 divisors (see below), whose sum is σ = 312286032. Its totient is φ = 156143012.

The previous prime is 234214433. The next prime is 234214523. The reversal of 234214521 is 125412432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234214521 - 2²³ = 225825913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234214491 and 234214500.

It is not an unprimeable number, because it can be changed into a prime (234214523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39035751 + ... + 39035756.

It is an arithmetic number, because the mean of its divisors is an integer number (78071508).

Almost surely, 2^234214521 is an apocalyptic number.

It is an amenable number.

234214521 is a deficient number, since it is larger than the sum of its proper divisors (78071511).

234214521 is an equidigital number, since it uses as much as digits as its factorization.

234214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78071510.

The product of its digits is 1920, while the sum is 24.

The square root of 234214521 is about 15304.0687727153. The cubic root of 234214521 is about 616.4122663649.

Adding to 234214521 its reverse (125412432), we get a palindrome (359626953).

The spelling of 234214521 in words is "two hundred thirty-four million, two hundred fourteen thousand, five hundred twenty-one".